If you live in a smaller city, you'd know that this happens all the time. Nearly half the time when I fly on a tiny CRJ to and from my local airport, after ever

If you live in a smaller city, you'd know that this happens all the time. Nearly half the time when I fly on a tiny CRJ to and from my local airport, after everyone boards, the pilot will ask if three or four people could shift around (for weight reasons) before takeoff.